At the Taxus base of Pengshui Miao and Tujia Autonomous County,Chongqing,the comprehensive development and utilization of Taxus was carried out with seedling cultivation,understory economy,product processing,ecotouris...At the Taxus base of Pengshui Miao and Tujia Autonomous County,Chongqing,the comprehensive development and utilization of Taxus was carried out with seedling cultivation,understory economy,product processing,ecotourism and other aspects as the main line.The benefit linkage mechanism of the operation of the Taxus industrial chain was explored and analyzed,so as to extend and supplement the Taxus industrial chain.The two models of"company+farmer"and"company+village collective+farmer"are relatively close benefit linkage models,which indirectly promote the increase of farmers income and smoothly guarantee the operation of the industrial chain,thereby playing a positive role during the development of the Taxus industry.This study provides reliable countermeasures and suggestions for the sustained and healthy development of the Taxus industry in Pengshui County.展开更多
Through the Betula nigra afforestation test in the engineering treatment area of the Wuxi Section of the Daning River in Chongqing,the feasibility of arbor vegetation restoration in the comprehensive management of the...Through the Betula nigra afforestation test in the engineering treatment area of the Wuxi Section of the Daning River in Chongqing,the feasibility of arbor vegetation restoration in the comprehensive management of the engineering treatment areas of the Three Gorges Reservoir was explored.The results showed that:(1)before the flooding in the project area,the survival rate of B.nigra seedlings was high,over 95%,and(2)in 2021,after a water storage period,affected by factors such as seedling specifications,flood and flooding time,the survival rate of the seedlings planted in 2020 was low,and the one-year-old seedlings were greatly competed by weeds and grew less.Two-year-old B.nigra seedlings were replanted in 2021,and the survival rate of the B.nigra seedlings was 100%in 2022.Two-year-old B.nigra seedlings have strong adaptability and have little impact on the stability of the engineering treatment area,and can be used as afforestation tree species in engineering treatment areas of hydro-fluctuation zones.展开更多
The tests of raising seedlings of Moringa oleifera were carried out in autumn and spring in Chongqing.The results showed that in the case of container seedling raising,the seedling emergence rate in autumn was 90%.Due...The tests of raising seedlings of Moringa oleifera were carried out in autumn and spring in Chongqing.The results showed that in the case of container seedling raising,the seedling emergence rate in autumn was 90%.Due to the large humidity and extreme weather,and the limited management conditions such as ventilation,the seedlings suffered from serious diseases,and the preservation rate was only 30%.The emergence rate was 91% in the spring of 2017,and the seedlings had unanimous growth.However,the seedling preservation rate dropped to 75% due to hail.In the spring of 2018,the emergence rate was 93%,and the seedlings also had unanimous growth.By the end of May,the seedlings had grown to 15 cm high.In addition,in the field seedling raising in 2017 and 2018,the seedlings showed unanimous growth with the emergence rate of 88% and 90%,respectively,and the seedlings grew into 30 cm high with good growth conditions in May.展开更多
Based on the investigation on the wetland resources of Bashan Lake in Chongqing, the existing problems in the protection and utilization of Bashan Lake wetland and Chongqing Bashan National Wetland Park were analyzed....Based on the investigation on the wetland resources of Bashan Lake in Chongqing, the existing problems in the protection and utilization of Bashan Lake wetland and Chongqing Bashan National Wetland Park were analyzed. Specific suggestions were put forward, which provided basic references for the protection of Bashan Lake wetland and construction of Chongqing Bashan Lake National Wetland Park.展开更多
基金Supported by Special Key Project for Technological Innovation and Application Development in Chongqing City (cstc2021jscx-tpyzxX0017).
文摘At the Taxus base of Pengshui Miao and Tujia Autonomous County,Chongqing,the comprehensive development and utilization of Taxus was carried out with seedling cultivation,understory economy,product processing,ecotourism and other aspects as the main line.The benefit linkage mechanism of the operation of the Taxus industrial chain was explored and analyzed,so as to extend and supplement the Taxus industrial chain.The two models of"company+farmer"and"company+village collective+farmer"are relatively close benefit linkage models,which indirectly promote the increase of farmers income and smoothly guarantee the operation of the industrial chain,thereby playing a positive role during the development of the Taxus industry.This study provides reliable countermeasures and suggestions for the sustained and healthy development of the Taxus industry in Pengshui County.
基金Supported by Chongqing Technology Innovation and Application Development General Project(cstc2019jscx-msxmX0335)。
文摘Through the Betula nigra afforestation test in the engineering treatment area of the Wuxi Section of the Daning River in Chongqing,the feasibility of arbor vegetation restoration in the comprehensive management of the engineering treatment areas of the Three Gorges Reservoir was explored.The results showed that:(1)before the flooding in the project area,the survival rate of B.nigra seedlings was high,over 95%,and(2)in 2021,after a water storage period,affected by factors such as seedling specifications,flood and flooding time,the survival rate of the seedlings planted in 2020 was low,and the one-year-old seedlings were greatly competed by weeds and grew less.Two-year-old B.nigra seedlings were replanted in 2021,and the survival rate of the B.nigra seedlings was 100%in 2022.Two-year-old B.nigra seedlings have strong adaptability and have little impact on the stability of the engineering treatment area,and can be used as afforestation tree species in engineering treatment areas of hydro-fluctuation zones.
基金Supported by the Special Project for Social Livelihood and Technological Innovation of Chongqing Municipality,China(cstc2016shmszx80124)
文摘The tests of raising seedlings of Moringa oleifera were carried out in autumn and spring in Chongqing.The results showed that in the case of container seedling raising,the seedling emergence rate in autumn was 90%.Due to the large humidity and extreme weather,and the limited management conditions such as ventilation,the seedlings suffered from serious diseases,and the preservation rate was only 30%.The emergence rate was 91% in the spring of 2017,and the seedlings had unanimous growth.However,the seedling preservation rate dropped to 75% due to hail.In the spring of 2018,the emergence rate was 93%,and the seedlings also had unanimous growth.By the end of May,the seedlings had grown to 15 cm high.In addition,in the field seedling raising in 2017 and 2018,the seedlings showed unanimous growth with the emergence rate of 88% and 90%,respectively,and the seedlings grew into 30 cm high with good growth conditions in May.
基金Supported by the Study on the Ecological Restoration of Chongqing Bashan Lake National Wetland Park of the Science Research Project of Chengkou County,Chongqing Municipality
文摘Based on the investigation on the wetland resources of Bashan Lake in Chongqing, the existing problems in the protection and utilization of Bashan Lake wetland and Chongqing Bashan National Wetland Park were analyzed. Specific suggestions were put forward, which provided basic references for the protection of Bashan Lake wetland and construction of Chongqing Bashan Lake National Wetland Park.
